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crypto: streebog - add Streebog hash function

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Add GOST/IETF Streebog hash function (GOST R 34.11-2012, RFC 6986)
generic hash transformation.

Cc: linux-integrity@vger.kernel.org
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Vitaly Chikunov 2018-11-07 00:00:01 +03:00 committed by Herbert Xu
parent d65ddecbea
commit fe18957e8e
4 changed files with 1187 additions and 0 deletions
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12
crypto/Kconfig
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@ -939,6 +939,18 @@ config CRYPTO_SM3
http://www.oscca.gov.cn/UpFile/20101222141857786.pdf
https://datatracker.ietf.org/doc/html/draft-shen-sm3-hash
config CRYPTO_STREEBOG
tristate "Streebog Hash Function"
select CRYPTO_HASH
help
Streebog Hash Function (GOST R 34.11-2012, RFC 6986) is one of the Russian
cryptographic standard algorithms (called GOST algorithms).
This setting enables two hash algorithms with 256 and 512 bits output.
References:
https://tc26.ru/upload/iblock/fed/feddbb4d26b685903faa2ba11aea43f6.pdf
https://tools.ietf.org/html/rfc6986
config CRYPTO_TGR192
tristate "Tiger digest algorithms"
select CRYPTO_HASH

1
crypto/Makefile
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@ -71,6 +71,7 @@ obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o
obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o
obj-$(CONFIG_CRYPTO_SHA3) += sha3_generic.o
obj-$(CONFIG_CRYPTO_SM3) += sm3_generic.o
obj-$(CONFIG_CRYPTO_STREEBOG) += streebog_generic.o
obj-$(CONFIG_CRYPTO_WP512) += wp512.o
CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns) # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149
obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o

1140
crypto/streebog_generic.c Normal file
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34
include/crypto/streebog.h Normal file
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@ -0,0 +1,34 @@
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
/*
* Copyright (c) 2013 Alexey Degtyarev <alexey@renatasystems.org>
* Copyright (c) 2018 Vitaly Chikunov <vt@altlinux.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#ifndef _CRYPTO_STREEBOG_H_
#define _CRYPTO_STREEBOG_H_
#include <linux/types.h>
#define STREEBOG256_DIGEST_SIZE 32
#define STREEBOG512_DIGEST_SIZE 64
#define STREEBOG_BLOCK_SIZE 64
struct streebog_uint512 {
u64 qword[8];
};
struct streebog_state {
u8 buffer[STREEBOG_BLOCK_SIZE];
struct streebog_uint512 hash;
struct streebog_uint512 h;
struct streebog_uint512 N;
struct streebog_uint512 Sigma;
size_t fillsize;
};
#endif /* !_CRYPTO_STREEBOG_H_ */